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12294306445 = 518118737253
BaseRepresentation
bin10110111001100110…
…00011101010001101
31011201210220110220011
423130303003222031
5200134320301240
65351541353221
7613443611011
oct133463035215
934653813804
1012294306445
1152398a7443
122471408811
13120c11ac55
14848b4c541
154be5076ea
hex2dccc3a8d

12294306445 has 16 divisors (see below), whose sum is σ = 14844643632. Its totient is φ = 9774535680.

The previous prime is 12294306443. The next prime is 12294306467. The reversal of 12294306445 is 54460349221.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 3951128164 + 8343178281 = 62858^2 + 91341^2 .

It is not a de Polignac number, because 12294306445 - 21 = 12294306443 is a prime.

It is a super-2 number, since 2×122943064452 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12294306398 and 12294306407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12294306443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1691439 + ... + 1698691.

It is an arithmetic number, because the mean of its divisors is an integer number (927790227).

Almost surely, 212294306445 is an apocalyptic number.

It is an amenable number.

12294306445 is a deficient number, since it is larger than the sum of its proper divisors (2550337187).

12294306445 is a wasteful number, since it uses less digits than its factorization.

12294306445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9312.

The product of its (nonzero) digits is 207360, while the sum is 40.

The spelling of 12294306445 in words is "twelve billion, two hundred ninety-four million, three hundred six thousand, four hundred forty-five".

Divisors: 1 5 181 905 1873 7253 9365 36265 339013 1312793 1695065 6563965 13584869 67924345 2458861289 12294306445